Re: Regression on 5.19.12, display flickering on Framework laptop

[Jerry Ling <jiling@cern.ch>]

>If it is, simply starting with "i915.enable_psr=0" might already help.

unfortunately this didn't help.

On 9/30/22 01:10, Thorsten Leemhuis wrote:
> Hi, this is your Linux kernel regression tracker.
>
> On 30.09.22 04:26, Jerry Ling wrote:
>> It has been reported by multiple users across a handful of distros that
>> there seems to be regression on Framework laptop (which presumably is
>> not that special in terms of mobo and display)
>>
>> Ref:
>> https://community.frame.work/t/psa-dont-upgrade-to-linux-kernel-5-19-12-arch1-1-on-arch-linux-gen-11-model/23171
> A bisect would be good, as Greg already mentioned.
>
> Not my area of expertise, so it's a wild guess, but display flickering
> made me wonder if this change is the culprit:
>
> https://lore.kernel.org/all/20220926100814.131449678@linuxfoundation.org/
>
> If it is, simply starting with "i915.enable_psr=0" might already help.
> but as I said, just a wild guess after briefly looking into the problem.
>
> Anyway, for the rest of this mail:
> [TLDR: I'm adding this regression report to the list of tracked
> regressions; all text from me you find below is based on a few templates
> paragraphs you might have encountered already already in similar form.]
>
> Thanks for the report. To be sure below issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression
> tracking bot:
>
> #regzbot ^introduced v5.19.11..v5.19.12
> #regzbot title Display flickering on Framework laptop
> #regzbot ignore-activity
>
> This isn't a regression? This issue or a fix for it are already
> discussed somewhere else? It was fixed already? You want to clarify when
> the regression started to happen? Or point out I got the title or
> something else totally wrong? Then just reply -- ideally with also
> telling regzbot about it, as explained here:
> https://linux-regtracking.leemhuis.info/tracked-regression/
>
> Reminder for developers: When fixing the issue, add 'Link:' tags
> pointing to the report (the mail this one replies to), as explained for
> in the Linux kernel's documentation; above webpage explains why this is
> important for tracked regressions.
>
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
>
> P.S.: As the Linux kernel's regression tracker I deal with a lot of
> reports and sometimes miss something important when writing mails like
> this. If that's the case here, don't hesitate to tell me in a public
> reply, it's in everyone's interest to set the public record straight.